{"cik":1805077,"taxonomy":"us-gaap","tag":"LongTermDebtNoncurrent","label":"Long-term Debt, Excluding Current Maturities","description":"Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.","entityName":"Eos Energy Enterprises, Inc.","units":{"USD":[{"end":"2019-12-31","val":0,"accn":"0001628280-21-003349","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26","frame":"CY2019Q4I"},{"end":"2020-12-31","val":280000,"accn":"0001628280-21-003349","fy":2020,"fp":"FY","form":"10-K","filed":"2021-02-26"},{"end":"2020-12-31","val":427000,"accn":"0001628280-21-010176","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"end":"2020-12-31","val":427000,"accn":"0001628280-21-016649","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":427000,"accn":"0001628280-21-022837","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":427000,"accn":"0001628280-22-004017","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-25","frame":"CY2020Q4I"},{"end":"2021-03-31","val":105000,"accn":"0001628280-21-010176","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2021Q1I"},{"end":"2021-06-30","val":13540000,"accn":"0001628280-21-016649","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":18851000,"accn":"0001628280-21-022837","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":4727000,"accn":"0001628280-22-004017","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-25"},{"end":"2021-12-31","val":4727000,"accn":"0001628280-22-013296","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-09"},{"end":"2021-12-31","val":4727000,"accn":"0001628280-22-019973","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-01"},{"end":"2021-12-31","val":4727000,"accn":"0001628280-22-028691","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-07"},{"end":"2021-12-31","val":102644000,"accn":"0001628280-23-005647","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-28","frame":"CY2021Q4I"},{"end":"2022-03-31","val":4279000,"accn":"0001628280-22-013296","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-09","frame":"CY2022Q1I"},{"end":"2022-06-30","val":3816000,"accn":"0001628280-22-019973","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-01","frame":"CY2022Q2I"},{"end":"2022-09-30","val":81953000,"accn":"0001628280-22-028691","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-07","frame":"CY2022Q3I"},{"end":"2022-12-31","val":170271000,"accn":"0001628280-23-005647","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-28"},{"end":"2022-12-31","val":170271000,"accn":"0001805077-23-000016","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-09"},{"end":"2022-12-31","val":170271000,"accn":"0001628280-23-029370","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-14"},{"end":"2022-12-31","val":170271000,"accn":"0001628280-23-037083","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-06"},{"end":"2022-12-31","val":170271000,"accn":"0001805077-24-000013","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-04","frame":"CY2022Q4I"},{"end":"2023-03-31","val":198564000,"accn":"0001805077-23-000016","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-09","frame":"CY2023Q1I"},{"end":"2023-06-30","val":229521000,"accn":"0001628280-23-029370","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-14","frame":"CY2023Q2I"},{"end":"2023-09-30","val":204053000,"accn":"0001628280-23-037083","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-06","frame":"CY2023Q3I"},{"end":"2023-12-31","val":200527000,"accn":"0001805077-24-000013","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-04"},{"end":"2023-12-31","val":200527000,"accn":"0001805077-24-000051","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-14"},{"end":"2023-12-31","val":200527000,"accn":"0001805077-24-000094","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-06"},{"end":"2023-12-31","val":200527000,"accn":"0001805077-24-000109","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-05"},{"end":"2023-12-31","val":200527000,"accn":"0001805077-25-000015","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-04","frame":"CY2023Q4I"},{"end":"2024-03-31","val":202172000,"accn":"0001805077-24-000051","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-14","frame":"CY2024Q1I"},{"end":"2024-06-30","val":150240000,"accn":"0001805077-24-000094","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-06","frame":"CY2024Q2I"},{"end":"2024-09-30","val":184893000,"accn":"0001805077-24-000109","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-05","frame":"CY2024Q3I"},{"end":"2024-12-31","val":314882000,"accn":"0001805077-25-000015","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-04"},{"end":"2024-12-31","val":314882000,"accn":"0001805077-25-000051","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-06"},{"end":"2024-12-31","val":314882000,"accn":"0001805077-25-000154","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-30"},{"end":"2024-12-31","val":314882000,"accn":"0001628280-25-049588","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-05"},{"end":"2024-12-31","val":314882000,"accn":"0001628280-26-011961","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-26","frame":"CY2024Q4I"},{"end":"2025-03-31","val":324042000,"accn":"0001805077-25-000051","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-06","frame":"CY2025Q1I"},{"end":"2025-06-30","val":444204000,"accn":"0001805077-25-000154","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-30","frame":"CY2025Q2I"},{"end":"2025-09-30","val":447725000,"accn":"0001628280-25-049588","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-05","frame":"CY2025Q3I"},{"end":"2025-12-31","val":812894000,"accn":"0001628280-26-011961","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-26"},{"end":"2025-12-31","val":812894000,"accn":"0001628280-26-034368","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-13"},{"end":"2025-12-31","val":812894000,"accn":"0001628280-26-052906","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-05","frame":"CY2025Q4I"},{"end":"2026-03-31","val":619519000,"accn":"0001628280-26-034368","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-13","frame":"CY2026Q1I"},{"end":"2026-06-30","val":617118000,"accn":"0001628280-26-052906","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-05","frame":"CY2026Q2I"}]}}